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Hawk, It may have been Alum Bronze wire my dad had a big spool of it that was 20 years ago my brain lacks all the fine details. I guess I should have kept my head outta the fumes. LOL. I will look around at his shop he never threw anything out it's prob still there. www.crownalloys.com has a little info. Thanks..Bob

The Miller Optima Pulse Pendant has a program for Copper and Silicon Bronze. I have experimented with an XMT 304 with the optima in welding Copper Caskets. The prograqm did a pretty good job, but presently they still tig weld the copper units. Demand is low, as they are a high dollar item, so they have never wanted to spring for the equipment.

There is another customer we have, but not in my area, that welds Copper Caskets with conventional, non-pulse mig, successfully.

We sell a lot of Silicon Bronze mig wire. Some of it is used to build up brass moulds for the glass industry, and a lot of it is used to make corrosion free welds on Galvinized gauge material. The wire used on the glass moulds is also applied by pulse. The tin knockers are using small Millermatic 135 type machines with .030 wire with real good success.